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Risk Bridge

Photos 

Risk Bridge

Photo taken by Chris Gonnerman in October 2011

Enlarge

BH Photo #215548

Map 

Facts 

Overview
Pony truss bridge over Wyaconda River on Orange Street (CR 429)
Location
Lewis County, Missouri
Status
Open to traffic
History
Built 1904
Design
Pin-connected, 5-panel Pratt pony truss
Dimensions
Length of largest span: 75.1 ft.
Total length: 76.1 ft.
Deck width: 11.8 ft.
Also called
Orange Street
Approximate latitude, longitude
+40.16860, -91.58658   (decimal degrees)
40°10'07" N, 91°35'12" W   (degrees°minutes'seconds")
Approximate UTM coordinates
15/620353/4447428 (zone/easting/northing)
Quadrangle map:
Canton
Land survey
T. 62 N., R. 06 W., Sec. 17
Average daily traffic (as of 2016)
50
Inventory numbers
MO 056-122000.7 (Missouri off-system bridge number)
MONBI 16480 (Missouri bridge number on the National Bridge Inventory)
BH 21888 (Bridgehunter.com ID)
Inspection report (as of January 2016)
Overall condition: Poor
Superstructure condition rating: Poor (4 out of 9)
Substructure condition rating: Fair (5 out of 9)
Deck condition rating: Satisfactory (6 out of 9)
Sufficiency rating: 31.3 (out of 100)
View more at BridgeReports.com

Categories 

Built 1904 (503)
Built during 1900s (6,633)
Lewis County, Missouri (58)
Missouri (6,072)
One-lane traffic (7,531)
Open (37,945)
Owned by county (19,495)
Pin-connected (3,640)
Pony truss (15,442)
Pratt pony truss (3,312)
Pratt truss (8,378)
Span length 75-100 feet (6,063)
Structurally deficient (17,435)
Total length 75-100 feet (6,239)
Truss (30,588)
Wooden deck (5,974)

Update Log 

  • January 5, 2018: Updated by Christopher Finigan: Added category "Pin-connected"
  • January 5, 2018: New photos from K. Allen Ballard
  • January 4, 2018: New photos from K. Allen Ballard
  • October 1, 2011: New photos from Chris Gonnerman

Sources